Generate and style a histogram from a column in a (spatial - sf) data frame. Designed to be used in a Shiny application to visualise the distribution of continuous variables in layers in a GeoPackage.
Usage
make_histogram(
chart_active_df,
hist_x_var,
binwidth,
x_lab,
y_lab,
axis_font_size,
lab_font_size
)
Arguments
- chart_active_df
data frame containing a column whose values will be used to generate a histogram.
- hist_x_var
a single element character vector specifying the name of the column to use to generate a histogram.
- binwidth
numeric value specifying the width of the histogram's bins.
- x_lab
a single element character vector specifying the X-axis label.
- y_lab
a single element character vector specifying the Y-axis label.
- axis_font_size
a numeric value specifying the font size for axis tick labels.
- lab_font_size
a numeric value specifying the font size for axis labels.
Details
This is a helper function to pass user defined data, aesthetic mappings, and chart styling parameters to ggplot within a Shiny app.